The Bridge World

MASTER SOLVERS CLUB

Scores for the May 2021 Contest

Problem A

Imps
North-South vulnerable
You, South, hold:

♠ A 10 5 2

♥ A K 6

♦ 6

♣ J 10 9 6 2

SOUTH	WEST	NORTH	EAST
1 ♣	2 ♦	3 ♣	3 ♦
?

What call do you make?

Action	Score	Panel Votes	% of Solvers
3 ♠	100	12	20
4 ♣	90	6	30
Double	80	3	10
3 ♥	80	2	10
5 ♣	70	3	13
Pass	50	2	13
4 ♦	0	0	2
else	0	0	2

Problem B

Matchpoints
North-South vulnerable
You, South, hold:

♠ A 5 4

♥ A Q 9

♦ Q

♣ A Q 10 8 6 2

SOUTH	WEST	NORTH	EAST
——	——	——	Pass
1 ♣	2 ♠	Double	3 ♠
?

What call do you make?

Action	Score	Panel Votes	% of Solvers
Double	100	12	27
4 ♠	90	5	7
3 NT	80	5	36
4 ♥	70	3	9
5 ♣	60	1	4
4 ♣	50	2	10
6 ♣	20	0	6
4 NT	0	0	1
else	0	0	0

Problem C

Imps
North-South vulnerable
You, South, hold:

♠ 9 6 5 3 2

♥ —

♦ K

♣ A J 10 9 8 5 4

SOUTH	WEST	NORTH	EAST
——	——	1 ♥	Pass
?^*

^*BWS: 3 ♣ invitational

What call do you make?

Action	Score	Panel Votes	% of Solvers
3 ♣	100	19	23
2 ♣	70	5	9
1 NT	60	3	9
1 ♠	50	1	58
5 ♣	10	0	0
Pass	0	0	1
else	0	0	0

Problem D

Imps
Both sides vulnerable
You, South, hold:

♠ A K

♥ J 9 8

♦ A Q J 5

♣ A 10 8 4

SOUTH	WEST	NORTH	EAST
——	——	——	2 ♥
?

What is your plan?
(a) Pass;
(b) 2 NT;
(c) 3 NT;
(d) Double; then, after (Pass) - 2 ♠ - (Pass) - ?
(d1) Pass; (d2) 2 NT; (d3) 3 ♣;
(d4) 3 ♦; (d5) 3 ♥; (d6) 3 ♠;
(d7) 3 NT

Action	Score	Panel Votes	% of Solvers
d2	100	14	22
b	90	8	24
d5	60	2	32
a	60	2	5
d1	50	1	6
d4	50	1	4
c	20	0	2
d3	10	0	4
d7	0	0	1
else	0	0	0

Problem E

Matchpoints
Neither side vulnerable
You, South, hold:

♠ K J 5

♥ J 9

♦ 9 4 3

♣ A J 10 9 6

SOUTH	WEST	NORTH	EAST
Pass	Pass	1 ♦	1 ♠
1 NT	3 ♠	Double^*	Pass
?

^*BWS: cooperative-takeout

What call do you make?

Action	Score	Panel Votes	% of Solvers
Pass	100	12	49
3 NT	90	12	40
5 ♣	70	1	1
4 ♣	60	3	10
4 ♦	10	0	0
else	0	0	0

Problem F

Imps
North-South vulnerable
You, South, hold:

♠ 4

♥ K 8 5

♦ 9 7 4 2

♣ A Q 8 6 5

SOUTH	WEST	NORTH	EAST
——	——	1 ♦	1 ♠
?^*

^*BWS: 2 ♠ invitational-plus diamond raise;
3 ♦ preemptive; 2 ♣ forcing to 2 ♦

What call do you make?

Action	Score	Panel Votes	% of Solvers
2 ♠	100	15	36
2 ♦	90	8	9
2 ♣	70	4	47
Double	50	1	5
3 ♠	20	0	0
3 ♦	10	0	1
3 ♣	0	0	1
else	0	0	1

Problem G

Imps
North-South vulnerable
You, South, hold:

♠ K Q

♥ 6 5 3

♦ 8 7 4

♣ A 10 9 6 2

SOUTH	WEST	NORTH	EAST
——	——	1 ♠	Pass
1 NT	2 ♦	2 ♥	3 ♦
?^*

^*BWS: double = penalty

What call do you make?

Action	Score	Panel Votes	% of Solvers
3 ♠	100	10	38
Pass	90	9	39
4 ♦	80	5	4
3 ♥	70	2	10
Double	50	1	7
4 ♣	50	1	0
4 ♥	20	0	1
4 ♠	20	0	0
3 NT	0	0	1
else	0	0	0

Problem H

Imps
Neither side vulnerable
You, South, hold:

♠ Q 7 6

♥ Q J 8 4 2

♦ K J 10 3

♣ 5

SOUTH	WEST	NORTH	EAST
——	——	——	1 ♠^*
Pass	2 NT	Pass	4 ♠
Pass	4 NT	Pass	5 ♥
Pass	6 ♠	(All Pass)

^*East-West use Bridge World Standard.

What is your opening lead?

Action	Score	Panel Votes	% of Solvers
♥ Q	100	7	36
♥ J	100	3	5
♦ J	90	8	13
♦ 10	90	1	0
♣ 5	80	8	38
♥ 2	80	1	3
♥ 4	80	0	3
♥ 8	80	0	1
♦ 3	80	0	0
♦ K	0	0	1
else	0	0	0

MSC CONTEST

These are the scores that were assigned to the problems, as well as the number of votes each solution received from our expert panel, and the approximate percentage of solvers' answers.

See the May issue of The Bridge World to read the panel's in-depth discussion of these contest problems—see how each expert answered and learn how they came to their decisions.